There are 6 products.
Oxygen sensor AST-14D with connector for rebreathers Inspiration, Evolution, XCCR and Flex.
Oxygen sensor AST-14D2 with connector for JJ-CCR.
Oxygen sensor AST-14D3 with connector for SUBMATIX.
Oxygen sensor AST-17D with jack connector for rebreathers Hollis Explorer MK1 and Sentinel.
Oxygen sensor AST-22D with 3-pin molex connector equivalent to Teledyne R22 and R22S for analyzers or rebreathers rEvo, Megalodon, Triton, Liberty, Kiss...
Oxygen sensor NRC D-05R.
3 pins Molex connector like R22 / R22S